311941888

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 644375088

約数和(自身を除く): 332433200

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 83, 106, 128, 166, 212, 256, 277, 332, 424, 554, 664, 848, 1108, 1328, 1696, 2216, 2656, 3392, 4399, 4432, 5312, 6784, 8798, 8864, 10624, 13568, 14681, 17596, 17728, 21248, 22991, 29362, 35192, 35456, 45982, 58724, 70384, 70912, 91964, 117448, 140768, 183928, 234896, 281536, 367856, 469792, 563072, 735712, 939584, 1126144, 1218523, 1471424, 1879168, 2437046, 2942848, 3758336, 4874092, 5885696, 9748184, 19496368, 38992736, 77985472, 155970944, 311941888]

約数ペア:

[(1, 311941888), (2, 155970944), (4, 77985472), (8, 38992736), (16, 19496368), (32, 9748184), (53, 5885696), (64, 4874092), (83, 3758336), (106, 2942848), (128, 2437046), (166, 1879168), (212, 1471424), (256, 1218523), (277, 1126144), (332, 939584), (424, 735712), (554, 563072), (664, 469792), (848, 367856), (1108, 281536), (1328, 234896), (1696, 183928), (2216, 140768), (2656, 117448), (3392, 91964), (4399, 70912), (4432, 70384), (5312, 58724), (6784, 45982), (8798, 35456), (8864, 35192), (10624, 29362), (13568, 22991), (14681, 21248), (17596, 17728)]